A
KCl(BaCl2)
加过量K2CO3溶液后过滤,再蒸干滤液.
B
NaNO3(AgNO3)
加足量NaCl溶液后过滤,再蒸馏滤液.
C
NaCl溶液(I2)
加足量酒精后萃取分液
D
KNO3溶液(CCl4)
直接进行分液操作.
A:A
B:B
C:C
D:D
—________ great fun we had at the party last night!
—Yes, it was so exciting that everyone was happy.